Aquarium

Aquarium is a logic puzzle with simple rules and challenging solutions.

The rules of Aquarium are simple:
The puzzle is played on a rectangular grid divided into blocks called "aquariums"
You have to "fill" the aquariums with water up to a certain level or leave it empty.
The water level in each aquarium is one and the same across its full width
The numbers outside the grid show the number of filled cells horizontally and vertically.

Video Tutorial

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This Month
1.	Mariette79	00:08.15
2.	Szerlok	00:12.18
3.	ush70x	00:12.22
4.	AdrianRD46	00:12.91
5.	Angelika9	00:13.13
6.	Sabrina	00:14.48
7.	toastyb	00:14.78
8.	Barak	00:15.32
9.	JesusIsSavior	00:16.13
10.	thall	00:17.71
11.	Lupusu	00:19.19
12.	Koakuma	00:24.03
13.	Duckeryone	00:24.46
14.	Jeremy Ou	00:24.61
15.	RosemaryW	00:24.70
16.	fishysua	00:26.17
17.	wellwhynot	00:26.64
18.	Dorice	00:29.20
19.	Tuffi	00:30.71
20.	all-trees	00:31.47

This Week
1.	Mariette79	00:08.15
2.	Szerlok	00:12.18
3.	toastyb	00:16.58
4.	JesusIsSavior	00:24.36
5.	RosemaryW	00:24.70
6.	wellwhynot	00:26.64
7.	Tuffi	00:30.71
8.	Gr5org	00:34.19
9.	Flower Boy	00:41.10
10.	pjo007	00:54.45
11.	--- empty ---	--:--
12.	--- empty ---	--:--
13.	--- empty ---	--:--
14.	--- empty ---	--:--
15.	--- empty ---	--:--
16.	--- empty ---	--:--
17.	--- empty ---	--:--
18.	--- empty ---	--:--
19.	--- empty ---	--:--
20.	--- empty ---	--:--

Today
1.	RosemaryW	00:24.70
2.	--- empty ---	--:--
3.	--- empty ---	--:--
4.	--- empty ---	--:--
5.	--- empty ---	--:--
6.	--- empty ---	--:--
7.	--- empty ---	--:--
8.	--- empty ---	--:--
9.	--- empty ---	--:--
10.	--- empty ---	--:--
11.	--- empty ---	--:--
12.	--- empty ---	--:--
13.	--- empty ---	--:--
14.	--- empty ---	--:--
15.	--- empty ---	--:--
16.	--- empty ---	--:--
17.	--- empty ---	--:--
18.	--- empty ---	--:--
19.	--- empty ---	--:--
20.	--- empty ---	--:--

MO3
1.	BingBongBob	00:04.16
2.	vowels	00:04.56
3.	mtanzer	00:04.76
4.	numbrr	00:05.03
5.	anonymous	00:06.57
6.	nabi	00:06.59
7.	selahsea	00:07.70
8.	L.W.	00:07.73
9.	清华大学	00:08.20
10.	anonymous	00:08.49

AO5
1.	BingBongBob	00:04.84
2.	mtanzer	00:05.07
3.	numbrr	00:05.73
4.	vowels	00:06.31
5.	nabi	00:07.08
6.	anonymous	00:07.93
7.	L.W.	00:08.18
8.	selahsea	00:08.26
9.	anonymous	00:09.60
10.	Ben65732	00:10.11

AO12
1.	BingBongBob	00:05.61
2.	mtanzer	00:08.61
3.	numbrr	00:09.52
3.	L.W.	00:09.52
5.	selahsea	00:10.21
6.	nabi	00:10.36
7.	Ben65732	00:11.51
8.	vowels	00:11.99
9.	MadraMor	00:12.32
10.	anonymous	00:12.50

Robots / programmatic solvers		info
1.	tlstyer	00:00.006
2.	PrinceOfChairs	00:00.114
3.	4s4f4	00:00.212

* MO3 - Mean of 3. The average of 3 consecutive times.
AO5 - Average of 5. The average of 5 consecutive times ignoring the highest and the lowest.
AO12 - Average of 12. The average of 12 consecutive times ignoring the highest and the lowest.
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2025-11-08 19:13:57

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